pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6196-tune-380-cunnamulla-stockmans-jig.ps) >>/Users/jc/w/tmp/Tune-6196-get.log 2>&1" returned status 256
http://lesters-tune-a-day.blogspot.co.uk/2014/05/tune-380-cunnamulla-stockmans-jig.html

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_61962.log 324663 Log file, useful mostly for debugging
Coll_61963.log 63644 Log file, useful mostly for debugging
Form_61961.log 739 Log file, useful mostly for debugging
Form_61964.log 738 Log file, useful mostly for debugging
Form_61967.log 738 Log file, useful mostly for debugging
Tune-6196-get.log 6311 Log file, useful mostly for debugging
Tune-6196-tune-380-cunnamulla-stockmans-jig.abc 122 ABC music file with the extracted tune(s)
Tune-6196-tune-380-cunnamulla-stockmans-jig.ps 32565 PostScript
Tune-6196-tune-380-cunnamulla-stockmans-jig.txt 122 Plain-text file with the extracted tune(s)
Tune-61961-get.log 5285 Log file, useful mostly for debugging
Tune-61963-get.log 15652 Log file, useful mostly for debugging
These files should be available for 24 hours.